/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package system;

import datacontrol.DAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import util.Toolkit;

/**
 * 
 * 
 * @author Joeri
 */
public class VerwijderEnquete extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        if (!Toolkit.checkLogin(request)) {
            // Ogenschijnlijk is de gebruiker niet ingelogd
            response.sendRedirect("EnqueteOphaler");
            return;
        }
        PrintWriter out = response.getWriter();
        ArrayList<HashMap<String, String>> result = new ArrayList<HashMap<String, String>>();
        int id;
        int userid;
        int voltooid;
        int rowid;
       
            id = Integer.parseInt(request.getParameter("id").toString());
            userid = Integer.parseInt(request.getSession().getAttribute("userId").toString());
             try {
            result = DAO.selectQuery("SELECT rowid,* FROM EnqueteVanGebruiker WHERE Enquete_idEnquete= '" + id + "'");
        } catch (SQLException ex) {
            Logger.getLogger(CheckEnquete.class.getName()).log(Level.SEVERE, null, ex);
        }

        if (result.get(0).get("voltooid").equals("1")) {
            request.setAttribute("verwijdermislukt","omdat u de Enquete al heeft voltooid mag u de Enquete niet verwijderen");

        } else {   request.setAttribute("verwijdergelukt", "het verwijderen van de enquete is gelukt!");
            try {
                DAO.executeUpdate("DELETE FROM EnqueteVanGebruiker WHERE Gebruiker_idGebruiker='" + userid + "' AND Enquete_idEnquete= '" + id + "'");
            } catch (SQLException ex) {
                Logger.getLogger(VerwijderEnquete.class.getName()).log(Level.SEVERE, "de query is mislukt", ex);
            }
        }

     
        getServletContext().getRequestDispatcher("/checkenquete").forward(request, response);

    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
